#include "rrdstack.h"

RRDStack::RRDStack(QObject *parent)
    : QObject{parent}
{
    for (int __i=0; __i<STACK_SIZE; __i++) {
        _stacks[__i] = nullptr;
    }

    _stackPointer = 0;
}

clusterStack *RRDStack::getStackByPacketNumber(uint32_t packetNumber)
{
    clusterStack * __stack = nullptr;

    for (int __i = 0; __i < STACK_SIZE; __i++) {
        if (_stacks[__i] != nullptr) {
            if (packetNumber - _stacks[__i]->getFirstPacketIndex() < 45) {
                __stack = _stacks[__i];
            }
        }
    }

    return __stack;
}

clusterStack *RRDStack::pushStack(clusterStack *newClusterStack)
{
    clusterStack * __pushingStack = _stacks[_stackPointer];
    _stacks[_stackPointer] = newClusterStack;

    _stackPointer++;

    if (_stackPointer == STACK_SIZE) {
        _stackPointer = 0;
    }

    return __pushingStack;
}